car struggles to start but runs fine reddit

If it shuts off alternator is bad. Common Reasons a Car Starts Then Shuts Off 1 Bad Idle Air Control Valve 2 Bad Vacuum Leak 3 Dirty or Faulty MAF Sensor 4 Ignition Issue 5 Bad CamshaftCrankshaft Position Sensor 6 Slipped Timing BeltTiming Chain 7 Fuel Pump Leak 8 Fuel Injection Sensor Issue 9 Bad Carburetor 10 Engine Control Unit Issue Conclusion.

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The simplest test would be to take the fuel line off the carb and put it in a jam jar.

. But if I do that another time or two it wont start. Have You Checked The Engines Air Filter Recently. No Start Weak or No Crank No Sound and Unable to Unlock Car.

Even on warm days it struggles to turn on. Car wont start sometimes-cranks but doesnt start. Slow to crank over.

No electronics work or theyre very weak eg window scrolls down a lot slower. If the pressure drops then either the fuel pump is not working or the fuel pressure regulator is not working. An engine needs a minimum cranking speed to start if the starter or battery is weak the engine.

TesterOctober 29 2009 811pm. Up to 20 cash back This sounds more like a problem with your IAC systemSometimes they get covered with carbon and dont move like they shouldYou can try removing it and cleaning it with carb cleanerMake sure you clean the throttle body where it sits as wellHere is some info on itIf the car runs and starts better after you clean it then it should be. It should be in an underhood fuserelay box.

Engine should still run. The trouble very well could be due to a weak charging system or a excessive current drain on the battery while the car is parked. A faulty ignition module or ignition coil for petrol engines clogged fuel filter or fuel line.

After a while it will shut off due to a. If that is the case you can try replacing the wires or cleaning the connections. Turn the ignition on and see how much fuel the pump is pumping you shouldnt need much on a carb engine so it.

Another reason your car struggles to start but runs fine is due to damaged fuses or ignition switches. Have those things checked out at a shop. The 3 core elements for the car to start and run are fuel spark and air.

Faulty glow plugs one or more. If one of the three elements fails to decrease or increases slightly the ratio changes and the car will not have a smooth running. There are many other possible problems that could lead to the fact that after youve replaced the battery the car wont start.

Low Fuel Levels By the time you read this article you should have a good place to start in order to diagnose your car thats having a hard time firing up. Dirty or corroded terminals or wire to starter bad wire from negative battery terminal to body baddead cell in the battery battery is bad alternator not charging properly to check alternator start vehicle and disconnect the battery. Other times it starts just fine.

If the engine starts by resting your foot on the gas pedal remove the IAC and clean it again no parts involved just a shop towel and carburetor cleaner. One or more of several key systems might not run properly or there could be a serious malfunction with the electrical system. When key in the ignition starts cranking very weakly.

If your car starts but stalls when youre underway your battery is probably not being recharged due to a faulty alternator. If this is the case your car struggles to start but runs fine. Start the car with the working battery like you normally would and leave the engine running for a few.

Faulty glow plug control module for diesel engines mostly when the engine is cold. When you insert the key and turn it into the on position the accessories might not power on. Once on runs fine and all than lets say I stop at a store.

Now if I make a stop say 15 minutes long and get back in it starts just fine. Turn it off go to the store come back and once I try to turn it on it struggles a bunch as if its in -30 degree weather cold start. Dead Battery or Loose Cables Clogged Fuel Filter Bad or Failing Starter Faulty Ignition Switch Thick or Dirty Oil.

The engine will start normally and then die off when you give it gas. This will bypass the idle air control valve and allow the engine to start. Sometimes this issue makes your car hard to start but runs fine once it gets going.

2006 scion tc with 150k. Thats why its equipped with an engine air filter. It always starts right away during any cold start aka the first start of the day.

Ignition System Problems. Have them do a load test on the charging system and check the battery current drain while parked. It turns like crazy and sputters a bit.

Eventually after 3-5 minutes I can get it to start by really finagling it. First check to see if the fuel pump is working and staying on. If these three elements are available in the correct ratio then the car will run smoothly and will not stop.

Check the fuel pressure when the engine is started and monitor the pressure as you give it gas. Other potential culprits might include a defective fuel injector faulty spark plugs. This is another rarity that still happens when basic maintenance is overlooked.

Rod-KnoxJanuary 11 2012 641am 9. You may have a purge valve that is not sealing correctly and the fumes are going into your engine causing your engine to be flooded with fumes while you are refueling. No dash lights or very dim dash lights.

Here are the top reasons why a car struggles to start. You can help your car start by holding the throttle wide open to get extra air into the engine to get it started and then letting off the gas once it starts. If the battery and the alternator are working the next step you need to do is to check for a.

Check your glow plug relay to make sure it is. After this hard start It runs fine too. If either of those wires are making a poor connection or have become broken or corroded they could be giving a weak signal or insufficient power for your car to start.

Without the glow plugs an IDI will struggle to start. Run the accessories while the engine is off and not revvingSet the start key on position and find somebody to push the vehicle from behind until it gathers some speedStart the car with the dead battery like you normally would and leave the car engine at idle speed. Remove the gas cap and while someone turns the key to the RUN position you put your ear close to the tank filler pipe and listen for a buzzing or humming type noise which tells you if the pump is priming the system or not.

Battery is dead easy to check - use jump leads and connect to another car which starts well and try starting the struggling car without the good car running otherwise it can draw too much powercurrent from alternator and burn it out turning without firing normally indicates lack of fuel or spark or both. Check spark plugs for gap and spark. Just started happening and happens every 18 times I start it.

As this filter collects dust dirt and other. If water or oil gets in there it may prove difficult to start the car. You see the gas-powered engine in your car needs clean air to run.

A squealing sound coming from the engine that gets louder when drains like the heater or sound system are on may be your alternator bearings. Car struggles to stay alive when starting it. You may also want to replace the fuel pump relay.

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